Advertisements
Advertisements
Question
What is the general name of the materials which contain at least two pure substances and show the properties
of their constituents ?
Advertisements
Solution
Materials that are made up of two or more pure substances and show the properties of their constituents are called mixtures.
APPEARS IN
RELATED QUESTIONS
When a crystal of potassium permanganate is placed in a beaker, its purple colour spreads throughout the water. What does this observation tell us about the nature of potassium permanganate and water?
Explain why steel is used to make railway lines.
Name one solid, one liquid and one gaseous non-metal.
What are pure substances ? Give two examples of pure substances.
What are the three groups into which all the elements can be divided ? Name two elements belonging to each group.
Define a compound. Give two points of evidence to show that sodium chloride is a compound.
Draw a flow-chart for the schematic representation of different types of matter.
Which of the following is not an element ?
“Is malleable and ductile” best describes :
How much water should be mixed with 12 mL of alcohol so as to obtain 12 % alcohol solution ?
What is the difference between solutions and colloids ?
State whether the following statement are true or false :
Salt and water can be recovered from an aqueous salt solution by the process of evaporation.
Name the process by which common salt is purified.
Which method is better for recovering sugar from sugar solution : evaporation or crystallisation ? Give reason
for your answer.
You are given a mixture of iodine in alcohol called tincture iodine. Which method will you use to recover both, iodine as well as alcohol, from this mixture ?
The property which allows the metals to be hammered into their sheets is ______.
In Aerosol the dispersed phase is liquid and the dispersion medium is gas.
A teabag placed in a cup of hot water will diffuse into the water.
The phenomenon of Evaporation takes place at the ______ of a liquid.
Define the term matter.
